fixed import error. (#6)

- fixed import error. (603b740cb1255921fea8156f1181bc988c25f6dc)

app.py

@@ -1,9 +1,10 @@
-from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
+from smolagents import CodeAgent,HfApiModel,load_tool,tool
 import datetime
 import requests
 import pytz
 import yaml
-from tools.final_answer import FinalAnswerTool, DuckDuckGoSearchTool
+from tools.final_answer import FinalAnswerTool
+from tools.web_search import DuckDuckGoSearchTool
 
 from Gradio_UI import GradioUI